That "Interstellar" flick was incredible by the way. A real mind trip, especially the way they viewed time and space in outer space. Crazy... until go-to astrophysicist and all-around smart guy Dr. Neil deGrasse Tyson breaks it down for us. Then it makes much more sense.

Astrophysicist Neil deGrasse Tyson saw "Interstellar" and then came by Business Insider to explain what the ending means - and if it's scientifically sound.